
package cartagows.wsframework.wssecurity.policy.builders;

import javax.xml.namespace.QName;

import org.apache.axiom.om.OMElement;
import org.apache.neethi.Assertion;
import org.apache.neethi.AssertionBuilderFactory;
import org.apache.neethi.builders.AssertionBuilder;

import cartagows.wsframework.wssecurity.policy.SP11Constants;
import cartagows.wsframework.wssecurity.policy.SPConstants;
import cartagows.wsframework.wssecurity.policy.model.Trust10;

public class Trust10Builder implements AssertionBuilder {

    public Assertion build(OMElement element, AssertionBuilderFactory factory)
            throws IllegalArgumentException {

        element = element.getFirstChildWithName(SPConstants.POLICY);

        if (element == null) {
            throw new IllegalArgumentException(
                    "Trust10 assertion doesn't contain any Policy");
        }

        Trust10 trust10 = new Trust10(SPConstants.SP_V11);

        if (element
                .getFirstChildWithName(SP11Constants.MUST_SUPPORT_CLIENT_CHALLENGE) != null) {
            trust10.setMustSupportClientChallenge(true);
        }

        if (element
                .getFirstChildWithName(SP11Constants.MUST_SUPPORT_SERVER_CHALLENGE) != null) {
            trust10.setMustSupportServerChallenge(true);
        }

        if (element.getFirstChildWithName(SP11Constants.REQUIRE_CLIENT_ENTROPY) != null) {
            trust10.setRequireClientEntropy(true);
        }

        if (element.getFirstChildWithName(SP11Constants.REQUIRE_SERVER_ENTROPY) != null) {
            trust10.setRequireServerEntropy(true);
        }

        if (element.getFirstChildWithName(SP11Constants.MUST_SUPPORT_ISSUED_TOKENS) != null) {
            trust10.setMustSupportIssuedTokens(true);
        }

        return trust10;
    }

    public QName[] getKnownElements() {
        return new QName[] {SP11Constants.TRUST_10};
    }

}
